Clinical implication of serum Wisteria floribunda Agglutinin-Positive Mac-2-binding protein in treatment naïve chronic hepatitis B.
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OBJECTIVE
To examine the relationship between serum Wisteria floribunda agglutinin-positive Mac-2-binding protein (WFA+ -M2BP) levels and liver histological findings for patients with treatment naïve chronic hepatitis B (CHB).
METHODS
A total of 189 treatment naïve-CHB patients were analyzed. We examined the effect of pretreatment serum WFA+ -M2BP levels on histological findings compared with other laboratory markers, including aspartate aminotransferase (AST) to platelet ratio index, Fibrosis-4 index, platelet count, AST to alanine aminotransferase (ALT) ratio, and hyaluronic acid as liver fibrosis markers, and AST value, ALT value, and serum interferon-γ-inducible protein-10 level as liver inflammation markers.
RESULTS
The WFA+ -M2BP value ranged from 0.3 cut-off index (COI) to 12.9 COI (median value, 1.2 COI). The degree of liver fibrosis was significantly stratified according to WFA+ -M2BP level in each group except for groups F2 and F3 and the degree of liver inflammation activity was significantly stratified according to WFA+ -M2BP level in each group. For predicting F4, WFA+ -M2BP level yielded the highest area under the receiver operating characteristic curve (AUROC) with a level of 0.87 and for predicting advanced liver fibrosis (≥F3) and significant liver fibrosis (≥F2), WFA+ -M2BP level yielded the second highest AUROCs (both, 0.77) among six fibrotic markers. For predicting severe (A3) or significant liver inflammation activity (≥A2), AUROCs of WFA+ -M2BP level were 0.78 and 0.76.
CONCLUSIONS
The WFA+ -M2BP level can be a useful marker for assessing liver histological findings in patients with treatment-naïve CHB, although it has several limitations.
